Table IVa.
30-day Outcomes for EVAR
| Asymptomatic, %(n) | P-value Asymptomatic vs. Symptomatic | Symptomatic,%(n) | Symptomatic vs. Ruptured | Ruptured, %(n) | ||||
|---|---|---|---|---|---|---|---|---|
| N | 3665 | 312 | 289 | |||||
| 30-day Mortality | 1.4 | (50) | .001 | 3.8 | (12) | <.001 | 22 | (62) |
| Major Adverse Event | 3.7 | (136) | <.001 | 9.3 | (29) | <.001 | 31 | (89) |
| Return to Operating Room | 3.7 | (136) | .49 | 4.5 | (14) | <.001 | 13 | (38) |
| Bleeding | 9.9 | (364) | <.001 | 18 | (57) | <.001 | 65 | (189) |
| Cardiac Arrest with CPR | 0.4 | (14) | <.001 | 1.9 | (6) | <.001 | 8.7 | (25) |
| Myocardial Infarction | 1.2 | (45) | .02 | 2.9 | (9) | .05 | 6.2 | (18) |
| Prolonged Ventilation (> 48hours) | 0.7 | (27) | <.001 | 2.9 | (9) | <.001 | 18 | (53) |
| Acute Kidney Injury | 0.3 | (12) | .11 | 1.0 | (3) | .08 | 3.1 | (9) |
| New Dialysis | 0.5 | (18) | 1.0 | 0.3 | (1) | <.001 | 10 | (29) |
| Post-op UTI | 1.1 | (39) | .77 | 0.6 | (2) | .12 | 2.1 | (6) |
| Surgical Site Infection | 1.7 | (61) | 1.0 | 1.6 | (5) | .02 | 4.8 | (14) |
| Pulmonary Embolism | 0.2 | (7) | .48 | 0.3 | (1) | .36 | 1.0 | (3) |
| DVT | 0.4 | (16) | .65 | 0.6 | (2) | .02 | 3.5 | (10) |
| Lower Extremity Ischemia | 1.2 | (44) | 1.0 | 1.0 | (3) | .08 | 3.1 | (9) |
| Rupture of Aneurysm after repair | 0.1 | (4) | 1.0 | 0.0 | (0) | <.001 | 4.8 | (14) |
| Ischemic Colitis | 0.5 | (17) | .20 | 1.0 | (3) | <.001 | 8.3 | (24) |
| Length of Stay (days, median (IQR))a | 2 | (1–3) | <.001 | 3 | (2–6) | <.001 | 7 | (4–11) |
| Readmissiona | 7.7 | (276) | .03 | 11 | (34) | .49 | 9.4 | (22) |
Bleeding defined as transfusion of 1 or more units of red blood cells from surgical start up to and including 72 hours post-op; Acute kidney injury defined as increase in Creatinine > 2mg/dl from pre-op; Surgical site infection includes superficial, deep, and organ space infection; Ischemic colitis identified by presence of diagnosis on discharge summary or endoscopy for the purpose of diagnosis; UTI=Urinary tract infection (excluded patients with UTI pre-op); DVT=deep venous thrombosis
a
Excluded patients who died in-hospital; Also data gathered from combination of historical readmission variable and more current one